$duration: 600ms;

.index-root {
    position: relative;
    width: 100vw;
    height: 100vh;
    position: absolute;
    background: #eee url("../../common/image/index/index-bg.png") no-repeat 100% 100%;
    left: 0;
    bottom: 0;
    transition: bottom .4s;
    .timeSpan{
        position: absolute;
        width: 60px;
        line-height: 24px;
        border-radius: 20px;
        text-align: center;
        background-color: rgba($color: #f3eeee, $alpha: .3);
        font-size: 18px;
        color: #fff;
        font-weight: 700;
        right: 20px;
        bottom: 20px;
    }
}

.index-logo{
    position: absolute;
    width: 150px;
    height: 150px;
    top: 270px;
    left: calc(50% - 75px);
    // transform-origin: top left;
    animation: titleload $duration linear 1;
}

@keyframes logoload {
     0% {
        top:90px;
        // left: -150px;
        transform: rotateZ(-90deg);
     }
     100% {
        top: 90px;
        // left: calc(50% - 75px);
        transform: rotateZ(0deg);
     }
}

.index-title {
    position: absolute;
    font-size: 48px;
    font-family: PingFangSC-bold;
    color: #fff;
    width: 200px;
    text-align: center;
    top: 280px;
    left: calc(50% - 100px);
    animation: titleload $duration linear 1;
}

@keyframes titleload {
    0% {
        opacity: .5;
        transform: scale(.5);
    }
    100% {
      opacity: 1;
      transform: scale(1);
    }
}

.start-btn-position{
    position: absolute;
    width: 100%;
    bottom: 90px;
    left: 0;
    display: flex;
}

